What do "China, Tianya and Zhiyin" mean respectively?

The words China, Tianya and Zhiyin refer to China. On the edge of the sky, we know our bosom friends. Shenzhou, or Chixian Shenzhou and Kyushu, is the concept of ancient geographical division in China. The word "Shenzhou" originated from Zou Yan, a yin-yang family in the Warring States Period.

The origin of Tianya:

1, "Nineteen Ancient Poems": "Thousands of miles apart, each in one day."

2. The Book with Wang Sengbian by Chen in the Southern Dynasties: "Wei Sang and Zi Zi, if the end of the world."

3. Tang's Farewell to Du Li Shu: "However, China has our friendship, and heaven is still our neighbor."

4. Don Zhang Jiuling's "Looking at the Moon and Philip Burkart": "When will the moon be full, and the horizon will be * * * at this time."